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Published on: October 13, 2021
Biomimetic gelatin-octacalcium phosphate core-shell microspheres.
1Department of Chemistry G. Ciamician, via Selmi 2, University of Bologna, 40126 Bologna, Italy.
Journal of Colloid and Interface Science
|July 26, 2011
Summary
Researchers developed novel gelatin/octacalcium phosphate core/shell microspheres using a biomimetic approach. These advanced microparticles show promise for tissue engineering and regenerative medicine applications.
Area of Science:
- Biomaterials Science
- Nanotechnology
- Regenerative Medicine
Background:
- Calcium phosphate/polymeric microparticles are gaining interest for tissue engineering.
- Biomimetic synthesis offers a promising route for creating these advanced materials.
Purpose of the Study:
- To synthesize and characterize gelatin/octacalcium phosphate core/shell microspheres.
- To explore the use of functionalization with calcium ions or alendronate for controlled release.
Main Methods:
- Gelatin microspheres were prepared using an inverse microemulsion and stabilized by alginate dialdehyde.
- Bio-inspired mineralization was employed to deposit an octacalcium phosphate shell onto functionalized gelatin microparticles.
- Functionalization involved enriching microspheres with calcium ions or alendronate.
Main Results:
- A complete coating of calcium phosphate was achieved on the microspheres.
- The inorganic shell consisted of octacalcium phosphate crystals.
- The octacalcium phosphate shell effectively controlled the release of gelatin and alendronate.
Conclusions:
- Biomimetic synthesis enables the creation of functional gelatin/octacalcium phosphate core/shell microspheres.
- These microspheres hold potential for applications in tissue engineering and regenerative medicine.
- The controlled release properties suggest utility in drug delivery systems for bone diseases.

